feat: remove Docker socket dependency from SaaS layer

- Remove docker-java-core and docker-java-transport-zerodep from pom.xml
- Remove Docker socket mount, group_add, jardata volume from docker-compose.yml
- Remove CAMELEER_DOCKER_NETWORK and CLICKHOUSE_URL env vars from SaaS service
- Remove jardata volume definition

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

docker-compose.yml

@@ -133,16 +133,12 @@ services:
   cameleer-saas:
     image: ${CAMELEER_IMAGE:-gitea.siegeln.net/cameleer/cameleer-saas}:${VERSION:-latest}
     restart: unless-stopped
-    group_add:
-      - "0"
     depends_on:
       postgres:
         condition: service_healthy
       logto-bootstrap:
         condition: service_completed_successfully
     volumes:
-      - /var/run/docker.sock:/var/run/docker.sock
-      - jardata:/data/jars
       - bootstrapdata:/data/bootstrap:ro
     environment:
       SPRING_DATASOURCE_URL: jdbc:postgresql://postgres:5432/${POSTGRES_DB:-cameleer_saas}
@@ -155,9 +151,6 @@ services:
       LOGTO_M2M_CLIENT_ID: ${LOGTO_M2M_CLIENT_ID:-}
       LOGTO_M2M_CLIENT_SECRET: ${LOGTO_M2M_CLIENT_SECRET:-}
       CAMELEER3_SERVER_ENDPOINT: http://cameleer3-server:8081
-      CAMELEER_AUTH_TOKEN: ${CAMELEER_AUTH_TOKEN:-default-bootstrap-token}
-      CAMELEER_DOCKER_NETWORK: ${COMPOSE_PROJECT_NAME:-cameleer-saas}_cameleer
-      CLICKHOUSE_URL: jdbc:clickhouse://clickhouse:8123/cameleer
     labels:
       - traefik.enable=true
       - traefik.http.routers.saas.rule=PathPrefix(`/platform`)
@@ -243,5 +236,4 @@ volumes:
   pgdata:
   chdata:
   certs:
-  jardata:
   bootstrapdata: